// Copyright [2020] <unknown>
#include <bits/stdc++.h>
using namespace std;
// #define ONLINE_JUDGE
#ifndef ONLINE_JUDGE
#define dbg(x...) { cerr << "\033[32;1m" << #x << " -> "; err(x); }
void err() { cerr << "\033[39;0m" << endl; }
template<typename T, typename... A>
void err(T a, A... x) { cerr << a << ' '; err(x...); }
#else
#define dbg(...)
#endif

#define sz(x) ((int)x.size())

typedef long long LL;

int n;

const int N = 2e5+50;

int a[N], b[N];
int main(int argc, char const *argv[]) {
    // code
    scanf("%d", &n);
    for (int i=1; i<=n; ++i)
        scanf("%d", &b[i]);
    a[1] = b[1];
    int mx = a[1];
    for (int i=2; i<=n; ++i) {
        a[i] = mx + b[i];
        mx = max(mx, a[i]);
    }

    for (int i=1; i<=n; ++i)
        printf("%d%c", a[i], i==n? '\n':' ');

    return 0;
}
